SCIENCE WEEK QUIZ

Reena went to the Mountains. She saw a large group of bats hanging upside down.Her mother told her that they are termed as mammals. What was the reason behind this?
i. the bats lay eggs
ii. the bats give birth to young ones
iii. the bats feed their young ones through the mammary glands
iv. the bats feed their young ones with grains

Which famous scientist discovered the law of gravity?

Who discovered the circulation of blood?

Which gas in the atmosphere protects us from harmful ultraviolet radiations?

What are teeth made of?

Which of the following life cycles of the frog are correct?

The Scientist who was known as the Man who led the fight against germs

What is known as the universal solvent?

On Friday, it turned very cold and it started raining in Fujairah. What is the correct term for moisture that falls to the ground from clouds?

Rafael lives near the road at the bottom of the hill. His parents are concerned that soil will wash off the hill and rocks will fall onto the ground. Rafael conducts an investigation to find out if grass growing on a hill side will help stop soil erosion. He collects two samples of the same size and type of soil. One sample of soil has grass growing on it and the other does not. He
places each sample of soil in a small tray.
After pouring the water onto both the pieces of soil. Rafael makes
an observation. The water collected in the tray under the soil with
grass looks clearer than the water collected in the tray under the
soil without the grass.
What conclusion can Rafaelmake from this observation ?